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US Patent: 1,659,915
Caliper Attachments
Patentee:
Arnold Hilfiker (exact or similar names) - New York, NY

USPTO Classifications:
33/806

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Feb. 28, 1927
Granted: Feb. 21, 1928

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
George W. Beele - patent attorney

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